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'use strict';
var Alias = require('../nodes/Alias.js');
var Node = require('../nodes/Node.js');
var Scalar = require('../nodes/Scalar.js');
const defaultTagPrefix = 'tag:yaml.org,2002:';
function findTagObject(value, tagName, tags) {
if (tagName) {
const match = tags.filter(t => t.tag === tagName);
const tagObj = match.find(t => !t.format) ?? match[0];
if (!tagObj)
throw new Error(`Tag ${tagName} not found`);
return tagObj;
}
return tags.find(t => t.identify?.(value) && !t.format);
}
function createNode(value, tagName, ctx) {
if (Node.isDocument(value))
value = value.contents;
if (Node.isNode(value))
return value;
if (Node.isPair(value)) {
const map = ctx.schema[Node.MAP].createNode?.(ctx.schema, null, ctx);
map.items.push(value);
return map;
}
if (value instanceof String ||
value instanceof Number ||
value instanceof Boolean ||
(typeof BigInt !== 'undefined' && value instanceof BigInt) // not supported everywhere
) {
// https://tc39.es/ecma262/#sec-serializejsonproperty
value = value.valueOf();
}
const { aliasDuplicateObjects, onAnchor, onTagObj, schema, sourceObjects } = ctx;
// Detect duplicate references to the same object & use Alias nodes for all
// after first. The `ref` wrapper allows for circular references to resolve.
let ref = undefined;
if (aliasDuplicateObjects && value && typeof value === 'object') {
ref = sourceObjects.get(value);
if (ref) {
if (!ref.anchor)
ref.anchor = onAnchor(value);
return new Alias.Alias(ref.anchor);
}
else {
ref = { anchor: null, node: null };
sourceObjects.set(value, ref);
}
}
if (tagName?.startsWith('!!'))
tagName = defaultTagPrefix + tagName.slice(2);
let tagObj = findTagObject(value, tagName, schema.tags);
if (!tagObj) {
if (value && typeof value.toJSON === 'function') {
// eslint-disable-next-line @typescript-eslint/no-unsafe-call
value = value.toJSON();
}
if (!value || typeof value !== 'object') {
const node = new Scalar.Scalar(value);
if (ref)
ref.node = node;
return node;
}
tagObj =
value instanceof Map
? schema[Node.MAP]
: Symbol.iterator in Object(value)
? schema[Node.SEQ]
: schema[Node.MAP];
}
if (onTagObj) {
onTagObj(tagObj);
delete ctx.onTagObj;
}
const node = tagObj?.createNode
? tagObj.createNode(ctx.schema, value, ctx)
: new Scalar.Scalar(value);
if (tagName)
node.tag = tagName;
if (ref)
ref.node = node;
return node;
}
exports.createNode = createNode;
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